info2 = [11, "aa", 1.88, (1, 2, 3), ["aa", "bb"]]
info2.clear()
print(info2)
info4 = {"name": "tom", "age": 18, "gender": "男"}
info4.clear()
print(info4)



info = "abcdefgh"
info1 = "Hello Python"
print(len(info))
print(len(info1))
info2 = [11, "aa", 1.88, (1, 2, 3), ["aa", "bb"]]
print(len(info2))
info3 = (11, "aa", 1.88)
print(len(info3))
info4 = {"name": "tom", "age": 18, "gender": "男"}
print(len(info4))